Gluma Comfort Bond Desensitizer is as easy one step adhesive that desensitizes almost immediately, providing relief to the patient. Ethanol-based light-cured one bottle dental bonding agent system that contains 4-meta that is ideal for amalgam restorations. It may also be used with all direct and indirect restorations and for cavity management. Comfort Bond is easy to use, no mix formula. Gluma desensitizer directions come with package. If you need a desensitizer and bonding cement look at Gluma Comfort Bond and Desensitizer.